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Finding the Fourth Proportional to 529,156.92, 797,265.48 and 478,614.24

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Solution

The fourth proportional to 529,156.92, 797,265.48 and 478,614.24 is: 721,114.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,156.92 : 797,265.48 = 478,614.24 : x
  2. Step 2: Convert to fraction form
    529,156.92/797,265.48 = 478,614.24/x
  3. Step 3: Cross multiply
    529,156.92x = 797,265.48 × 478,614.24
  4. Step 4: Simplify right side
    529,156.92x = 381,582,611,788.44
  5. Step 5: Solve for x
    x = 381,582,611,788.44/529,156.92
  6. Step 6: Final answer
    x = 721,114.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.